There are some sidewalks and driveways that have wooden expansion joints. These exist solely to help the concrete expand and contract without cracking. However, wooden expansion joints aren’t very durable. With time, they will rot
Constructing a High-Performance Concrete Slab
Working with Live Edge Slabs
Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5 years old. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. Trim-A-Slab installs incredibly fast, looks great, and can be removed and replaced in case you need to run wires for outdoor lighting across your driveway.
Trim-A-Slab Concrete Expansion Joint Replacement 1-3/8 in. x 25 ft. Grey
2012 Comparison to other products
Standard vs Tapered Trim-A-Slab
Real Estate 09/26/15 by Colorado Springs Gazette, LLC - Issuu
SlabGasket - Expansion Joint Replacement and Repair
Reviews for Trim-A-Slab 1/2 in. x 25 ft. Concrete Expansion Joint in Grey
Easy to install, prevents weeds, removable to run wires for landscaping/Christmas lights. No mess and can be driven on immediately. Most affordable
Trim-A-Slab 1881507 Flexible PVC Concrete Expansion Joint Replacement & Repair - 0.75 in. x 50 ft.
Trim A Slab 1/2 in. x 50 ft. Walnut Concrete Expansion Joint Replacement Brown